This time, we get to see how the Xenomorph crash lands on Earth, which is a reveal that’s helped ease my worries about the new setting (since “Alien” has always been rooted in space).

De la Fuente Marcos’ paper in September suggested that the object is part of the Arjuna asteroid belt, which is made of small asteroids that have orbits around the sun similar to Earth’s orbit.

Elon Musk Steps Up Efforts to Cull Federal Work Force Mr. Musk said federal workers must summarize their accomplishments for the week or be forced to leave, borrowing a tactic he used at his ...

Ramanathan pointed out that human-made chlorofluorocarbons (or CFCs) are particularly potent greenhouse gases, with as much as 200 times the heat-retaining capacity of carbon dioxide. Because people ...

Often called “the molecule that made the universe,” it plays a crucial role in interstellar chemistry ... “H₃⁺ is a small molecule that might not be as important to us on Earth as water or proteins, ...

Throughout its long history, Earth has warmed and cooled time and again ... Since the Industrial Revolution began in about 1750, carbon dioxide levels have increased nearly 38 percent as of 2009 and ...

Feb. 19, 2025 — Nitrogen is essential for all life on Earth. In the global oceans, however, this element is scarce, and nitrogen availability is therefore critical for the growth of marine life.

Do you hike in the mountains, swim in the ocean, watch the sunset or listen to birds? Do you wish the outdoors were easier to access where you live? By Natalie Proulx What is it like to report ...

Harvard University-affiliated astronomers announced the discovery of a new asteroid zooming precariously close to Earth — only to learn it was actually a Tesla sports car launched by Elon Musk ...

This is the background to the discovery of super-Earth HD 20794 d by an international team including the University of Geneva (UNIGE) and the NCCR PlanetS. '"Are we alone in the universe?"' ...

Some are balls of lava the temperature of hell, one is partially made of diamond, and another may rain molten iron. However, not all exoplanets are this extreme. Some are rocky, roughly Earth ...